7.5
Advisory Published
Updated

CVE-2020-14399

First published: Wed Jun 17 2020(Updated: )

** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed."

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Libvncserver Project Libvncserver<0.9.13
Debian Debian Linux=8.0
Debian Debian Linux=9.0
openSUSE Leap=15.1
openSUSE Leap=15.2
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
redhat/libvncserver<0.9.13
0.9.13
debian/libvncserver
0.9.13+dfsg-2+deb11u1
0.9.14+dfsg-1

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Frequently Asked Questions

  • What is CVE-2020-14399?

    CVE-2020-14399 is a vulnerability discovered in LibVNCServer before 0.9.13.

  • What is the severity of CVE-2020-14399?

    The severity of CVE-2020-14399 is high with a severity value of 7.5.

  • How does CVE-2020-14399 affect LibVNCServer?

    CVE-2020-14399 allows access to byte-aligned data through uint32_t pointers in libvncclient/rfbproto.c.

  • Which versions of LibVNCServer are affected by CVE-2020-14399?

    Versions before 0.9.13 of LibVNCServer are affected by CVE-2020-14399.

  • How can I fix CVE-2020-14399?

    To fix CVE-2020-14399, upgrade LibVNCServer to version 0.9.13 or higher.

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